发明名称 Multiple-layer films
摘要 A multiple-layer film having a substrate layer of high density polyethylene or a propylene homo- or co-polymer, and, on at least one surface of the substrate, a heat-sealable layer of a propylene co-polymer containing from 80 to 95% of propylene, the balance being a C4 to C10 olefin. The substrate and surface layers exhibit a monoclinic crystalline structure.
申请公布号 US4252851(A) 申请公布日期 1981.02.24
申请号 US19790008110 申请日期 1979.01.31
申请人 IMPERIAL CHEMICAL INDUSTRIES LIMITED 发明人 LANSBURY, ROBERT C.;HEGGS, THOMAS G.
分类号 C08F210/00;B29C49/00;B29C55/00;B29C55/02;B29D;B32B;B32B27/00;B32B27/08;B32B27/32;C08F10/00;C08J5/18;C08L23/10;C08L23/14;C08L23/18;(IPC1-7):B32B27/00 主分类号 C08F210/00
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